Noun

• S: (n) accelerator, accelerator pedal, gas pedal, gas, throttle, gun (a pedal that controls the throttle valve) "he stepped on the gas"
• direct hypernym / inherited hypernym / sister term
• part holonym
• derivationally related form
• W: (v) accelerate [Related to: accelerator] (cause to move faster) "He accelerated the car"
• W: (v) throttle [Related to: throttle] (reduce the air supply) "choke a carburetor"
• S: (n) accelerator, throttle, throttle valve (a valve that regulates the supply of fuel to the engine)
• S: (n) catalyst, accelerator ((chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected)
• S: (n) accelerator, particle accelerator, atom smasher (a scientific instrument that increases the kinetic energy of charged particles)
• direct hyponym / full hyponym
• part meronym
• direct hypernym / inherited hypernym / sister term